120212021111103 has 20 divisors (see below), whose sum is σ = 181353962187288. Its totient is φ = 79347868714800.

The previous prime is 120212021111087. The next prime is 120212021111129. The reversal of 120212021111103 is 301111120212021.

It is a happy number.

It is not a de Polignac number, because 120212021111103 - 2⁴ = 120212021111087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212021511103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7347016701 + ... + 7347033062.

Almost surely, 2^{120212021111103} is an apocalyptic number.

120212021111103 is a deficient number, since it is larger than the sum of its proper divisors (61141941076185).

120212021111103 is a wasteful number, since it uses less digits than its factorization.

120212021111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14694049876 (or 14694049867 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 120212021111103 its reverse (301111120212021), we get a palindrome (421323141323124).

The spelling of 120212021111103 in words is "one hundred twenty trillion, two hundred twelve billion, twenty-one million, one hundred eleven thousand, one hundred three".